STAS 11381 36-1981 Graphical symbols for electrical diagrams TRANSDUCERS RECORDERS AND REPRODUCERS《电气图图形符号 传感器，录音机和扬声器 》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

SJ T 11175-1998 电视与声音信号的电缆分配系统设备与部件 双向干线放大器通用规范.pdf

SJ T 11176-1998 电视与声音信号的电缆分配系统设备与部件 反向电视调制器通用规范.pdf

SJ T 11177-1998 电视与声音信号的电缆分配系统设备与部件 分配放大器通用规范.pdf

SJ T 11178-1998 电视与声音信号的电缆分配系统设备与部件 电视解调器通用规范.pdf

SJ T 11186-2009 焊锡膏通用规范.pdf

SJ T 11188-1998 电缆电视接收机用电子式调揩器基本参数要求和试验方法.pdf

SJ T 11197-2013 环氧塑封料.pdf

SJ T 11198-2007 显像管、显示管和电光源用玻管规范.pdf

SJ T 11200-1999 环境试验 第2部分：试验方法 试验Td：表面组装元器件的可焊性、金属化层耐熔蚀性和焊接热.pdf